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Trail runs in UK in March 2026

Find trail runs in UK in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!
  • Sun 29 Mar
  • £16-£29
Durham, County Durham, UK

Fraggle Run | North

Who doesn't know and love The Fraggles! Come and join in the Fraggle Run and earn a medal based on the adorable little creatures!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 2 more races
Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.
  • Sun 29 Mar
  • £24-£56
Shipley, West Yorkshire, UK

Sir Titus March Mayhem

Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.

  • 10 miler
  • 10K run
  • Trail run
  • 5K run
  • Half marathon
  • + 1 more race
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 29 Mar
  • £33-£38
Brandon, Suffolk, UK

Zig Zag Challenge

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Multi-terrain run 2
A new and unique concept where you decide how many loops you feel capable of on the day from 10km up to an ultra marathon! Push yourself further or go easy.
  • Sun 29 Mar
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar

A new and unique concept where you decide how many loops you feel capable of on the day from 10km up to an ultra marathon! Push yourself further or go easy.

  • 1 day multi terrain running
  • Sun 1 Mar
  • £25-£30
Northampton, Northamptonshire, UK

Pitsford Water Trail Races

  • 10K run
  • Half marathon
  • Sun 1 Mar
  • £18-£32
Fordingbridge, Hampshire, UK

Up on the Downs

  • 5K run
  • 10K run
  • Half marathon
  • CaniCross
  • Sun 1 Mar
  • £45-£85
Cardiff, Mid Glamorgan, UK

Brecon to Cardiff Xtreme & Taff Xtreme Marathon

  • Ultra run
  • Marathon
  • Sun 1 Mar
  • £33-£42
Jersey, Jersey

El Diablo Trail Half Marathon & 10K

  • 10K run
  • Half marathon
  • Sun 1 Mar
  • FREE-£42
Pwllheli, Gwynedd, UK

St Davids Day Celebration North Wales Pilgrims Half Marathon

  • Half marathon
  • Fun run
  • Sun 1 Mar
  • FREE-£18
Harrogate, North Yorkshire, UK

Harrogate 10K, 5K and Littlies – A Run For Everyone

  • Fun run
  • 5K run
  • 10K run
  • Sun 1 Mar
  • £80
Cardiff, Mid Glamorgan, UK

Brecon to Cardiff Ultra

  • 70 km trail running
  • Sun 1 Mar
  • £25-£27
Brandon, Suffolk, UK

High Lodge Half Marathon - Spring

  • 13.1 miles multi terrain running
  • Sun 1 Mar
  • £41.50
Nottingham, Nottinghamshire, UK

Pierrepont Plod – Winter

  • 6 hrs trail running
  • Sun 1 Mar
  • £9-£11
Colchester, Essex, UK

The Mersea Mix | The Mersea Mix

  • 7 miles trail running
  • Tue 3 Mar
  • £16
Guildford, Surrey, UK

Silent Pool 10K

  • 10 km trail running
  • Fri 6 Mar
  • £16-£27
Staines, Surrey, UK

Midweek Chasing Numbers Mar

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Sat 7 Mar
  • £23
Berkhamsted, Hertfordshire, UK

Berko 10K

  • 10 km trail running
  • Sat 7 Mar
  • £35-£71
Eastbourne, East Sussex, UK

EnduranceLife - Sussex

  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • Sat 7 Mar
  • £33-£52
Oldham, Greater Manchester, UK

Saddleworth Ten Res’s

  • Trail run
  • Marathon
  • Ultra run
  • Sat 7 Mar
  • £23-£30
Alton, Hampshire, UK

Brutal - Chawton

  • 5K run
  • CaniCross 2
  • 10K run
  • Sat 7 Mar
  • £25-£69
Amersham, Buckinghamshire, UK

Humanity Direct Amersham Ultra

  • 10K run
  • Trail run
  • Ultra run
  • Sat 7 Mar
  • £7.50-£22.50
Rugeley, Staffordshire, UK

Scott Sports Dirty Dozen Adventure Trail Run

  • Fun run
  • Trail run
  • Sat 7 Mar
  • £45-£65
Bedford, Bedfordshire, UK

Harrold-Odell Country Park Trail Run

  • Trail run
  • 50K ultra run
  • Sat 7 Mar
  • £58-£95
Dunbar, East Lothian, UK

The John Muir Way 50K Ultra

  • 50 km multi terrain running
  • Sun 8 Mar
  • £9-£11
Hockley, Essex, UK

Smugglers Trail

  • Trail run
  • 10 miler

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